The data is readable with Matlab (v 7.3 or later).

M2_xx.mat and W2_xx.mat files includes spike timing of each neuron.
multiday.rasterdata includes spike timing relative to the onset of stimulus. Binned at 1 ms.
multiday.stim includes stimulus presented in the trial.
multiday.date includes the experimental day
multiday.rasterwin is the window for the raster data, in ms.

response_data.mat includes firing rate of each neuron.
data.info includes information of dataset.
data.fr includes firing rate data.
